import {
    createStore,
    applyMiddleware,
    combineReducers
  } from "redux";
  import countReducer from "./reducers/countReducer"
  import movieReducer from "./reducers/movieReducer"

// 异步处理中间件
// 当我们要进行异步action，action是一个函数，我们dispacth的函数就会提交到中间件
// 中间件帮我们执行函数，一般函数中会有一个dispatch再次派发到store中
import thunk from 'redux-thunk';  
console.log("store调用了");
  

// 使用redux提供的combineRenducers方法，合并多个reducer
  const allReducer = combineReducers({
    movie: movieReducer,
    count:countReducer
    })
    //创建store 并提供对应的reducer（第二参数是用来调用中间件）
  const store = createStore(allReducer,applyMiddleware(thunk));
  
  export default store;
